• 1/2.3 inch 28.1mm2
  • 14.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 300.00mm (35mm eq.)
  • Detailed specifications
  • Pentax Optio S1
  • Nikon Coolpix S810c
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Manufacturer URL: Manufacturer website Manufacturer website
Predecessor:    
Successor:    
General
Model Number: S1 S810c
Alternate Model Number(s):    
Camera Format: Ultra Compact Compact
Currently Manufactured: No No
Retail Price: $199.95 $349.95
Street Price:   $349.95
Date Available: 2011-03-15 2014-05-01
Tripod Mount: Yes Yes
Weight: 4.4 oz (125 g)
includes batteries 		7.6 oz (216 g)
includes batteries
Size: 3.6 x 2.1 x 0.8 in.
(92 x 54 x 21 mm) 		4.4 x 2.5 x 1.1 in.
(113 x 64 x 28 mm)
Waterproof: No No
Waterproof Depth: n/a n/a
Image Sensor
Sensor Type: CCD CMOS
Sensor Manufacturer:    
Effective Megapixels: 14.0 16.0
Sensor Format: 1/2.3 inch 1/2.3 inch
Sensor size: 28.0735mm2 (6.17mm x 4.55mm) 28.0735mm2 (6.17mm x 4.55mm)
Approximate Pixel Pitch: 1.44 microns 1.34 microns
Focal Length Multiplier: n/a n/a
Aspect Ratio: 4:3 4:3
Color Filter Type: RGBG RGBG
Anti Aliasing Filter:    
Self-Cleaning: No No
Sensor shift image stabilization: Yes No
On-Sensor Phase Detect: No No
DxO Sensor Score:    
DxO Color Depth Score (bits):    
DxO Dynamic Range Score (evs):    
DxO Maximum Effective ISO Score (iso):    
Image Capture
Image Resolution: 4288 x 3216 (13.8 MP, 4:3),
3216 x 3216 (10.3 MP, 1:1),
4224 x 2376 (10.0 MP, 16:9),
3072 x 2304 (7.1 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3) 		4608 x 3456 (15.9 MP, 4:3),
3264 x 2448 (8.0 MP, 4:3),
2272 x 1704 (3.9 MP, 4:3),
1600 x 1200 (1.9 MP, 4:3),
640 x 480 (0.3 MP, 4:3),
4608 x 2592 (11.9 MP, 16:9),
1920 x 1080 (2.1 MP, 16:9)
Image File Format: JPEG (Exif 2.3) JPEG
Continuous-mode frames/second: n/a 8.0
Video Capture
Can take movies: Yes Yes
Movie Resolution: 1280x720 (30/​15)
640x480 (30/​15)
320x240 (30/​15) 		1920x1080 (30p)
1280x720 (30p)
640x480 (30p)
Movie File Format: AVI (Motion JPEG) MOV (Video: MPEG-4 AVC/H.264, Audio: L-PCM stereo)
Composite Video Out: Yes Yes
NTSC/PAL Switchable Video: Yes Yes
Video Usable as Viewfinder:
HD Video Out: Yes
HD Video Connection: HDMI
Lens & Optics
Lens Mount: n/a n/a
Lens: Pentax zoom lens, 9 elements in 8 groups, 4 aspheric elements Zoom-Nikkor VR ED lens; 9 elements in 7 groups
Focal Length (35mm equivalent): 28 - 140mm 25 - 300mm
Focal Length (actual): 5 - 25mm 4.5 - 54mm
Zoom Ratio: 5.00x 12.00x
Aperture Range: f/3.9 (wide) / f/5.7 (tele) - ??? f/3.3 (wide) / f/6.3 (tele) with 2 EV electronically controlled ND filter
Integrated ND Filter: No No
Normal Focus Range: 40 cm to Infinity
15.7 in to Infinity 		50 cm to Infinity
19.7 in to Infinity
Macro Focus Range: 1 - 30 cm
0.4 - 11.8 in 		2 cm to Infinity
0.8 in to Infinity
Filter Thread: n/a n/a
Thread Type: n/a n/a
Optical Image Stabilization: No Yes
Digital Zoom: Yes Yes
Digital Zoom Values: Up to 7x; Intelligent Zoom up to 33.5x at VGA Up to 4x
Auto Focus
Auto Focus: Yes Yes
Auto Focus Type: 9-point Contrast Detection with face detection, spot, pan, and auto tracking modes Contrast Detection: Auto (9-area automatic selection), Center, Manual (touch), Face priority, Subject tracking
Auto Focus Assist Light? No Yes
Manual Focus: Yes No
Viewfinder
Viewfinder: LCD No / LCD
Viewfinder Type:    
Focus Peaking: No No
EVF Resolution: n/a n/a
Viewfinder Magnification (35mm equivalent):    
Viewfinder Magnification (nominal/claimed):    
Display
Eye-level Viewfinder: No No
Rear Display: Yes Yes
Rear Display Size (inches): 2.7 3.7
Rear Display Resolution: 230,000 dots 1,229,000 dots (409,600 px)
Touchscreen: No Yes
Articulating Screen: No No
Tilt Swivel Screen: No No
Selfie Screen: No No
Max Playback Zoom:    
Top Deck Display:
Exposure
Maximum ISO (native):   3200
Minimum ISO (native):   125
ISO Settings: Auto: TBD, Manual: TBD Auto, Fixed Range Auto, 125, 200, 400, 800, 1600; ISO 3200 available when using Auto exposure mode
Auto ISO Mode: Yes Yes
White Balance Settings: Auto, Daylight, Shade, Tungsten, Fluorescent , Manual Auto, Daylight, Incandescent, Fluorescent, Cloudy, Flash, Preset Manual (Custom)
Shutter Speed Range: 1/1600 - 4 sec 1/4000 - 4 sec
Bulb Mode: No No
Exposure Compensation: +/- 2.0EV in 0.3EV steps +/- 2.0EV in 0.3EV steps
Metering Modes: Multi-segment, Center-weighted, Spot 256-segment matrix, Center-weighted (digital zoom less than 2X), Spot (digital zoom 2X or more)
Program Auto Exposure: Yes Yes
Aperture Priority: No No
Shutter Priority: No No
Full Manual Exposure: No No
Creative Exposure Modes: Auto Picture (Landscape, Portrait, Night Scene, Night Scene Portrait, Standard, Flower, Sport, Candlelight, Blue Sky, Sunset, Text, Group Photo, Portrait x Blue Sky, Portrait x Sunset, Portrait x Backlight), Blue Sky, Landscape, Flower, Sunset, Night Scene, Night Scene Portrait, Portrait, Natural Skin Tone, Food, Digital SR, Kids, Pet, Sport, Surf & Snow, Fireworks, Frame Composite, Party, Candlelight, Text, Miniature, HDR Backlighting, Beach, Black and White Copy, Close-up, Dusk/Dawn, Easy Panorama, Fireworks Show, Food, Landscape, Night Landscape, Night Portrait, Party/Indoor, Pet Portrait, Portrait, Snow, Sports, Sunset
Self Timer: 2 or 10 seconds 2 or 10 seconds
Time Lapse (intervalometer):    
High Resolution Composite: No No
Flash
Built-in Flash: Yes Yes
Flash Modes: Auto, Flash Off, Flash On, Auto + Redeye, On + Redeye Auto, Auto & Red-eye reduction, Flash off, Fill flash, Slow sync
Flash Guide Number (ISO 100): n/a n/a
Flash Range Description: 12 ft (wide, auto ISO), 8.2 ft (tele, auto ISO) Auto ISO: [W]: 0.5 to 5.6m (1ft 8in. to 18ft.); [T]: 1.0 to 3.0m (3ft 4in. to 9ft.)
Max Flash Sync:    
Flash Exposure Compensation:    
External Flash Connection: n/a n/a
Built-In Wireless Flash Control:    
Image Storage
Usable Memory Types: SD / SDHC / SDXC microSD / microSDHC / microSDXC
UHS Support:    
Other Memory:    
Dual Card Slots: No No
RAW Capture Support: No No
Uncompressed Format:    
Movie File Format: AVI (Motion JPEG) MOV (Video: MPEG-4 AVC/H.264, Audio: L-PCM stereo)
Included Memory: 0.0 MB 1,400.0 MB
Included Memory Type:   Internal
Connectivity
Built-In Wi-Fi: No Yes
NFC: No
Bluetooth: No No
Built-In GPS: No Yes
Microphone Jack: No Yes
Headphone Jack: No Yes
External Connections: USB 2.0 High Speed USB 2.0 High Speed,WiFi
PictBridge Compliant: No Yes
DPOF Compliant: Yes Yes
Remote Control: Yes
Remote Control Type: Optional IR  
Connections (extended):   Micro (Type-D) HDMI, 3.5mm headset jack
Performance Timing
Cycle time for JPEG shooting in single shot mode (seconds per frame, max resolution):    
Cycle time for RAW shooting in single shot mode (seconds per frame):    
Buffer size for RAW shooting in single shot mode (frames):    
Cycle time for RAW+JPEG shooting in single shot mode (seconds per shot):    
Camera penalizes early shutter press?
JPEG shooting speed in burst mode (fps, max resolution):   8.0
Buffer size for JPEG shooting in burst mode (frames, max resolution):   3
RAW shooting speed in burst mode (fps):    
Buffer size for RAW shooting in burst mode (frames):    
RAW+JPEG shooting speed in burst mode (fps):    
Buffer Size for RAW+JPEG shooting in burst mode (frames):    
Shutter lag (full AF, wide/mid):    
Shutter lag (full AF, tele):    
Shutter lag (full AF, live view - DSLR):    
Shutter lag (prefocused, live view - DSLR):    
Shutter Lag (manual focus):    
Shutter lag (full AF, with flash):    
Shutter Lag (prefocused):    
Shutter Lag (notes):    
Startup Time:    
Play -> Record Time:    
Flash cycle time, full power:    
Power
Battery Life, Stills (CIPA Rating Monitor/Live View):   270 shots
Battery Life, Still (CIPA Rating OVF/EVF):    
Battery Life, Video:    
Battery Form Factor: Proprietary D-LI78 Proprietary EN-EL23
Usable Battery Types: Lithium-ion rechargeable Lithium-ion rechargeable
Batteries Included: 1 x Proprietary D-LI78 Lithium-ion rechargeable 1 x Proprietary EN-EL23 Lithium-ion rechargeable
Battery Charger Included (dedicated charger or AC/USB adapter): Yes Yes
Dedicated Battery Charger Included:
Internal Charging Supported:
Software
Included Software: Pentax Software CDROM Nikon ViewNX 2 CD-ROM
OS Compatibility:    
Miscellaneous
Notes & Features: Sensor-shift Shake Reduction (SR), 720p HD movies, Auto Picture mode detects 14 scene types, Face Detection, Smile Capture, Blink Detection, High Dynamic Range (HDR) mode, 9 digital filters, optional IR remote, in-body recharge system. Available in chrome, black or green finishes. Android 4.2.2 Jelly Bean OS, built-in Wi-Fi and GPS, microSD media, 1.4GB built-in memory for images and movies, 1GB for applications. Available in white or black.